Today, the Akka team released version 0.7 of their actors framework for the Java Virtual Machine. Akka attempts to address future concurrency challenges with a solution relying on message based actors, software transactional memory and appropriate fault handling strategies. InfoQ talked to Jonas Bonér about the intent behind Akka, its current state and adoption, and future plans.
In this session filmed during QCon London 2008, Joe Walker presents Comet, a long polling AJAX method used for updating the browser’s page, and DWR, a Java library for writing web sites using AJAX.
Atmosphere which started off as an evolution of Grizzly, is a POJO based framework that aims to bring Comet to the masses. This Comet Abstraction Framework released its first alpha version and InfoQ had a Q&A with its creator Jean-Francois Arcand about it.
The Grizzly framework is used in multiples products like GlassFish, Sailfin, RESTlet, OpenESB and many more, where it enables developers to write scalable server applications, by leveraging the Java New I/O API (NIO). Atmosphere, an evolution of Grizzly, is a POJO based framework that aims to bring Comet to the masses. Jean-Francois talks to InfoQ about this new development.
Comet - technology that allows a sever to send over HTTP a message to the client when an event occurs, without the client having to explicitly request it - has been considered by some to scale poorly in the past. Recent tests using Cometd and Jetty as well as Lightstreamer production implementations prove the opposite.
The Extensible Messaging and Presence Protocol (XMPP) has proven itself as a winner for instant messaging, but could it also be the protocol of choice for service integration in the future?